摘要:6.已知全集U=A∪B={x∈N|0≤x≤10}.A∩(∁UB)={1,3,5,7}.求集合B. 解:U=A∪B={x∈N|0≤x≤10} ={0,1,2,3,4,5,6,7,8,9,10}. {1,3,5,7}⊆A.而B中不包含{1,3,5,7}. 用Venn图表示如图 ∴B={0,2,4,6,8,9,10}. 练习

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